CN211366696U - Unhooking-proof lifting hook device - Google Patents

Abstract

The utility model relates to a steel rolling equipment technical field especially relates to an unhook-proof's hook assembly, and its technical scheme main points are: including lifting hook and first chain, the one end of first chain hoist in on the lifting hook, the lifting hook hoists on rings through the second chain, the other end of first chain hoist in on rings, first chain, lifting hook, second chain form closed loop's shape with the hoist and mount rod, the welding of hook point department of lifting hook has the screens part, the screens part is followed hook point department to inside extension of lifting hook, with the lifting hook inner wall remains and predetermines the distance. The utility model discloses can prevent effectively that the chain when in the hole, the annular ring breaks away from the lifting hook and causes the emergence of the condition in the hole that the rod scatters.

Description

Unhooking-proof lifting hook device

Technical Field

The utility model relates to a steel rolling equipment technical field especially relates to an unhook-proof's hook assembly.

Background

When the special steel production line produces the bar, part of the bar needs to adopt slow cooling process, which is used for eliminating white spots and cracks in the steel or for enabling the steel to obtain good mechanical properties, namely good strength, plasticity and toughness.

In order to enable the bar to smoothly enter the slow cooling pit, a slow cooling chain capable of bearing high temperature is adopted for hoisting in China, and then the chain and the bar are placed into the pit together.

The slow cooling chain is generally that one end is connected with the lifting hook, the other end has the annular ring, have annular ring one end to hang back the lifting hook around a circle, drop from the lifting hook in order to prevent the annular ring, mousing-hook device is equipped with in lifting hook department, common mousing-hook device is at lifting hook opening part installation elastic buckle, because slow cooling chain receives the mutual extrusion between high temperature and rod in the hole, the elastic buckle of lifting hook is yielding, the inefficacy, lead to the annular ring often to break away from the lifting hook, the bale is scattered in the slow cooling hole, lead to the unable normal hoist of slow cooling material to go out the hole.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a hook device for preventing unhooking, which is capable of solving the problem that the existing hook unhooking-prevention device is easy to deform and fail.

The utility model provides a hook assembly of mousing-hook, includes lifting hook and first chain, the one end of first chain hoist in on the lifting hook, the lifting hook hoists on rings through the second chain, the other end of first chain hoist in on rings, first chain, lifting hook, second chain form closed loop's shape with hoist and mount rod, the welding of hook point department of lifting hook has the screens part, the screens part is followed hook point department to inside extension of lifting hook, with the lifting hook inner wall remains and predetermines the distance.

In one embodiment, the hook is provided with a hook ring, the hook ring is fastened with one end of the second chain, and the other end of the second chain is fastened with the hanging ring.

In one embodiment, one end of the first chain passes through the clamping part and is hung in the lifting hook, and the other end of the first chain is buckled with the lifting ring.

In one embodiment, the first chain is longer than the second chain.

In one embodiment, the chain is formed by a plurality of annular rings and rings, the first chain is hung in the hook through the annular rings, and the second chain is connected with the hook through the annular rings and the rings in a buckled mode.

In one embodiment, the predetermined distance between the blocking part and the inner wall of the hook is larger than the diameter of the ring of the annular ring on the first chain.

In one embodiment, the clamping part is a raised square iron block, and an inclined surface is cut on one side of the upper plane of the iron block, which is far away from the interior of the lifting hook.

Above-mentioned mousing-hook's hook assembly sets up the screens part through the hook point department at the lifting hook, prevents that the chain from coming off from the lifting hook after putting into the slow cooling hole with the rod together, avoids the rod to scatter the situation emergence in the slow cooling hole.

Drawings

FIG. 1 is a schematic structural diagram in one embodiment;

fig. 2 is a detailed structural schematic diagram of fig. 1.

In the figure: 1. a hoisting ring; 2. a chain; 3. a bar material; 4. a hook; 5. a position-retaining member; 6. hooking a tip; 7. a shackle; 8. an annular ring; 9. a first chain; 10. and a second chain.

Detailed Description

In one embodiment, as shown in fig. 1, a hook set of mousing-hook, includes lifting hook 4 and first chain 9, the one end of first chain 9 hoist and mount in on lifting hook 4, lifting hook 4 hoists on rings 1 through second chain 10, the other end of first chain 9 hoist and mount in on rings 1, first chain 9, lifting hook 4, second chain 10 form the shape of closed loop in order to hoist and mount rod 3, the welding of 6 departments of the prong of lifting hook 4 has screens part 5, screens part 5 is followed 6 departments of prong to inside extension of lifting hook 4, with 4 inner walls of lifting hook remain the predetermined distance.

The hook 4 in the embodiment is of the same construction as a conventional hook, such as a crane hook.

In this embodiment, a clamping part 5 is welded at the hook tip 6 of the lifting hook 4, the chain 2 slides out from the lifting hook 4, and the clamping part 5 needs to be turned over, when the chain 2 entangles the rod 3, the chain 2 is stressed to be straightened, and the clamping part 5 is difficult to turn over and slide out from the lifting hook 4.

Welded screens part 5 is the iron plate in this embodiment, and the welding is firm at the iron plate of the 6 departments of bill of hook point, and the heat capacity is good, and lifting hook 4, chain 2 get into in the slow cooling hole together with rod 3, need bear the high temperature in the slow cooling hole, and the high temperature resistant ability of iron plate is good, can not receive the thermal deformation in the slow cooling hole, prevents effectively that chain 2 from following 4 slippage of lifting hook and coming out.

In one embodiment, as shown in fig. 2, a hook ring 7 is provided on the hook 4, the hook ring 7 is fastened to one end of the second chain 10, and the other end of the second chain 10 is fastened to the hanging ring 1; one end of the first chain 9 penetrates through the clamping part 5 and is hung in the lifting hook 4, and the other end of the first chain 9 is buckled with the lifting ring 1.

The first chain 9 is longer than the second chain 10.

Two chains 2 are hung and buckled on the lifting ring 1, a lifting hook 4 is arranged at the tail end of the second chain 10, the lifting hook 4 is hung back at the tail end of the first chain 9 to form a closed ring, and a plurality of bars 3 can be wound by the closed ring.

The rod 3 is placed into the slow cooling pit by lifting the lifting ring 1 by a tool.

In one embodiment, as shown in fig. 2, the chain 2 is formed by a plurality of annular rings 8, the first chain 9 is hung on the hook 4 through the annular rings 8, and the second chain 10 is connected with the hook 4 through the annular rings 8 and the hook rings 7.

The flying ring 1 is connected with the chain 2 through an annular ring 8 which penetrates through the head ends of the two chains 2.

The second chain 10 is buckled with the hook ring 7 through the annular ring 8 at the tail end to be connected with the hook 4.

The first chain 9 is hung on the hook tip 6 through the annular ring 8 at the tail end, and forms a closed annular shape with the lifting hook 4, the second chain 10 and the lifting ring 1.

In one embodiment, as shown in fig. 1, the predetermined distance that the blocking member 5 keeps from the inner wall of the hook 4 is greater than the diameter of the ring-shaped ring 8 on the first chain 9.

The retaining part 5 and the preset distance reserved on the inner wall of the lifting hook 4 just can allow the annular ring 8 to be buckled into the lifting hook 4.

In one embodiment, as shown in fig. 1, the locking member 5 is a raised square iron block, and the side of the upper plane of the iron block away from the inside of the hook 4 is beveled.

The catching part 5 is protruded toward the curved arc-shaped inner surface of the hook 4.

The clamping part 5 is provided with an inclined plane which can facilitate the annular ring 8 to be buckled into the lifting hook 4.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a hook assembly of mousing-hook which characterized in that: including lifting hook and first chain, the one end of first chain hoist in on the lifting hook, the lifting hook hoists on rings through the second chain, the other end of first chain hoist in on rings, first chain, lifting hook, second chain form closed loop's shape with the hoist and mount rod, the welding of hook point department of lifting hook has the screens part, the screens part is followed hook point department to inside extension of lifting hook, with the lifting hook inner wall remains and predetermines the distance.

2. A mousing hook device as claimed in claim 1, wherein: the lifting hook is provided with a hook ring, the hook ring is buckled with one end of the second chain, and the other end of the second chain is buckled with the lifting ring.

3. A mousing hook device as claimed in claim 1, wherein: one end of the first chain penetrates through the clamping part and is hung in the lifting hook, and the other end of the first chain is fastened with the lifting ring.

4. A mousing hook device as claimed in claim 1, wherein: the length of the first chain is greater than the length of the second chain.

5. A mousing hook assembly as claimed in claim 2, wherein: the chain is buckled mutually by a plurality of annular rings and constitutes, first chain passes through annular ring hangs into the lifting hook, the second chain passes through annular ring with the shackle is buckled mutually and is connected the lifting hook.

6. A hook assembly as claimed in claim 5, wherein: the preset distance reserved between the clamping component and the inner wall of the lifting hook is larger than the diameter of a circular ring of the annular ring on the first chain.

7. A mousing hook device as claimed in claim 1, wherein: the screens part is a bellied square iron plate, the plane is kept away from on the iron plate the inside one side of lifting hook is cut with the inclined plane.

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